Class: Syskit::GUI::ModelViews::Composition

Inherits:
ComponentNetworkView show all
Defined in:
lib/syskit/gui/model_views/composition.rb

Overview

Visualization of a composition model

In addition to the plain component network, it visualizes the specializations and allows to select them dynamically

Constant Summary

Constants inherited from ComponentNetworkBaseView

ComponentNetworkBaseView::Button, ComponentNetworkBaseView::DATA_SERVICE_WITHOUT_NAMES_TEMPLATE, ComponentNetworkBaseView::DATA_SERVICE_WITH_NAMES_TEMPLATE

Instance Attribute Summary collapse

Attributes inherited from ComponentNetworkView

#dataflow_options, #hierarchy_options, #plan, #task

Attributes inherited from ComponentNetworkBaseView

#current_model, #page, #plan

Instance Method Summary collapse

Methods inherited from ComponentNetworkView

#process_options, #render_plan, #view_partial_plans=, #view_partial_plans?

Methods inherited from ComponentNetworkBaseView

#buttonClicked, common_graph_buttons, #compute_system_network, find_definition_place, graph_annotation_buttons, html_defined_in, #instanciate_model, #list_services, make_annotation_buttons, #push_plan, #render_data_services, #render_require_section, #save_svg, task_annotation_buttons

Constructor Details

#initialize(page) ⇒ Composition

Returns a new instance of Composition



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# File 'lib/syskit/gui/model_views/composition.rb', line 15

def initialize(page)
    super(page)
    @specializations = Hash.new
    @task_model_view = Roby::GUI::ModelViews::Task.new(page)
end

Instance Attribute Details

#specializations ⇒ Object (readonly)

Returns the value of attribute specializations



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# File 'lib/syskit/gui/model_views/composition.rb', line 12

def specializations
  @specializations
end

#task_model_view ⇒ Object (readonly)

Returns the value of attribute task_model_view



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# File 'lib/syskit/gui/model_views/composition.rb', line 13

def task_model_view
  @task_model_view
end

Instance Method Details

#clear ⇒ Object 



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# File 'lib/syskit/gui/model_views/composition.rb', line 74

def clear
    super
    specializations.clear
end

#clickedSpecialization(task) ⇒ Object 



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# File 'lib/syskit/gui/model_views/composition.rb', line 41

def clickedSpecialization(task)
    clicked  = task.model.applied_specializations.dup.to_set
    selected = current_model.applied_specializations.dup.to_set

    if clicked.all? { |s| selected.include?(s) }
        # This specialization is already selected, remove it
        clicked.each { |s| selected.delete(s) }
        new_selection = selected

        new_merged_selection = new_selection.inject(Syskit::Models::CompositionSpecialization.new) do |merged, s|
            merged.merge(s)
        end
    else
        # This is not already selected, add it to the set. We have to
        # take care that some of the currently selected specializations
        # might not be compatible
        new_selection = clicked
        new_merged_selection = new_selection.inject(Syskit::Models::CompositionSpecialization.new) do |merged, s|
            merged.merge(s)
        end

        selected.each do |s|
            if new_merged_selection.compatible_with?(s)
                new_selection << s
                new_merged_selection.merge(s)
            end
        end
    end

    new_model = current_model.root_model.specializations.create_specialized_model(new_merged_selection, new_selection)
    render(new_model)
end

#create_specialization_graph(root_model) ⇒ Object 



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# File 'lib/syskit/gui/model_views/composition.rb', line 79

def create_specialization_graph(root_model)
    plan = Roby::Plan.new
    specializations = Hash.new
    root_model.specializations.each_specialization.map do |spec|
        task_model = root_model.specializations.specialized_model(spec, [spec])
        plan.add(task = task_model.new)
        specializations[spec] = task
    end

    return plan, specializations
end

#disable ⇒ Object 



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# File 'lib/syskit/gui/model_views/composition.rb', line 26

def disable
    disconnect(page, SIGNAL('linkClicked(const QUrl&)'), self, SLOT('linkClicked(const QUrl&)'))
    super
end

#enable ⇒ Object 



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# File 'lib/syskit/gui/model_views/composition.rb', line 21

def enable
    connect(page, SIGNAL('linkClicked(const QUrl&)'), self, SLOT('linkClicked(const QUrl&)'))
    super
end

#linkClicked(url) ⇒ Object 



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# File 'lib/syskit/gui/model_views/composition.rb', line 31

def linkClicked(url)
    if url.scheme == 'plan'
        id = Integer(url.path.gsub(/\//, ''))
        if task = specializations.values.find { |task| task.dot_id == id }
            clickedSpecialization(task)
        end
    end
end

#render(model, doc: true, **options) ⇒ Object 



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# File 'lib/syskit/gui/model_views/composition.rb', line 118

def render(model, doc: true, **options)
    if doc && model.doc
        page.push nil, page.main_doc(model.doc)
    end

    super(model, **options)
    task_model_view.render(model, doc: false)
    if task
        render_data_services(task)
    end
    render_specializations(model)
end

#render_specializations(model) ⇒ Object 



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# File 'lib/syskit/gui/model_views/composition.rb', line 91

def render_specializations(model)
    plan, @specializations = create_specialization_graph(model.root_model)

    current_specializations, incompatible_specializations = [], Hash.new
    if model.root_model != model
        current_specializations = model.applied_specializations.map { |s| specializations[s] }

        incompatible_specializations = specializations.dup
        incompatible_specializations.delete_if do |spec, task|
            model.applied_specializations.all? { |applied_spec| applied_spec.compatible_with?(spec) }
        end
    end

    display_options = Hash[
        accessor: :each_compatible_specialization,
        dot_edge_mark: '--',
        dot_graph_type: 'graph',
        graphviz_tool: 'fdp',
        highlights: current_specializations,
        toned_down: incompatible_specializations.values,
        annotations: [],
        id: 'specializations'
    ]
    page.push_plan('Specializations', 'relation_to_dot',
                             plan, display_options)
end